There have been many relics claiming to be or contain the Holy Blood, that is, the blood of Christ.
The following churches claim or claimed to have such a relic: Basilica of the Holy Blood, Bruges Basilica di Sant'Andrea di Mantova, Mantua Fécamp Abbey Reichenau Abbey – see Translatio sanguinis Domini Sainte-Chapelle, Paris St. James's Church, Rothenburg ob der Tauber Weingarten Abbey
The following relics contain what is claimed to be the blood of Christ: Sudarium of Oviedo Shroud of Turin Westminster blood relic
See also Liquefying blood relics Relics associated with Jesus
References